Video | Missing Ex-FBI Agent: 'Help Me'

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The family of retired FBI agent Robert Levinson, who vanished years ago in Iran, issued a plea to his kidnappers Friday and, for the first time, released a hostage video they received from his unidentified captors.

The video message released on the Levinson family's website publicly transformed the mysterious disappearance into an international hostage standoff. Despite a lengthy investigation, however, the U.S. government has no evidence of who is holding the 63-year-old father of seven.

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